Terminological reasoning is inherently intractable (research note)
Artificial Intelligence
Attributive concept descriptions with complements
Artificial Intelligence
AAAI '98/IAAI '98 Proceedings of the fifteenth national/tenth conference on Artificial intelligence/Innovative applications of artificial intelligence
Reasoning with Individuals for the Description Logic SHIQ
CADE-17 Proceedings of the 17th International Conference on Automated Deduction
The description logic handbook: theory, implementation, and applications
The description logic handbook: theory, implementation, and applications
Perspectives on ontology-based querying: Research Articles
International Journal of Intelligent Systems
Expressive probabilistic description logics
Artificial Intelligence
Managing uncertainty and vagueness in description logics for the Semantic Web
Web Semantics: Science, Services and Agents on the World Wide Web
Web Semantics: Science, Services and Agents on the World Wide Web
Fuzzy description logics under Gödel semantics
International Journal of Approximate Reasoning
General Concept Inclusions in Fuzzy Description Logics
Proceedings of the 2006 conference on ECAI 2006: 17th European Conference on Artificial Intelligence August 29 -- September 1, 2006, Riva del Garda, Italy
Reasoning within fuzzy description logics
Journal of Artificial Intelligence Research
Reasoning with very expressive fuzzy description logics
Journal of Artificial Intelligence Research
Generalizing term subsumption languages to fuzzy logic
IJCAI'91 Proceedings of the 12th international joint conference on Artificial intelligence - Volume 1
Making fuzzy description logic more general
Fuzzy Sets and Systems
Reducing OWL entailment to description logic satisfiability
Web Semantics: Science, Services and Agents on the World Wide Web
Towards a crisp representation of fuzzy description logics under Łukasiewicz Semantics
ISMIS'08 Proceedings of the 17th international conference on Foundations of intelligent systems
Finite Satisfiability in Infinite-Valued Łukasiewicz Logic
SUM '09 Proceedings of the 3rd International Conference on Scalable Uncertainty Management
Expressive fuzzy description logics over lattices
Knowledge-Based Systems
Fuzzy extensions of OWL: Logical properties and reduction to fuzzy description logics
International Journal of Approximate Reasoning
Reasoning with the finitely many-valued Łukasiewicz fuzzy Description Logic SROIQ
Information Sciences: an International Journal
A rule-based implementation of fuzzy tableau reasoning
RuleML'10 Proceedings of the 2010 international conference on Semantic web rules
On the failure of the finite model property in some Fuzzy Description Logics
Fuzzy Sets and Systems
Fuzzy ontology representation using OWL 2
International Journal of Approximate Reasoning
Fuzzy logic, annotation domains and semantic web languages
SUM'11 Proceedings of the 5th international conference on Scalable uncertainty management
On the undecidability of fuzzy description logics with GCIs and product t-norm
FroCoS'11 Proceedings of the 8th international conference on Frontiers of combining systems
Generalized fuzzy rough description logics
Information Sciences: an International Journal
Using sums-of-products for non-standard reasoning
LATA'10 Proceedings of the 4th international conference on Language and Automata Theory and Applications
Description logics over lattices with multi-valued ontologies
IJCAI'11 Proceedings of the Twenty-Second international joint conference on Artificial Intelligence - Volume Volume Two
How fuzzy is my fuzzy description logic?
IJCAR'12 Proceedings of the 6th international joint conference on Automated Reasoning
Triangular norm based graded convex fuzzy sets
Fuzzy Sets and Systems
Tractable reasoning with vague knowledge using fuzzy $\mathcal{EL}^{++}$
Journal of Intelligent Information Systems
An SMT-Based solver for continuous t-norm based logics
SUM'12 Proceedings of the 6th international conference on Scalable Uncertainty Management
On the (un)decidability of fuzzy description logics under Łukasiewicz t-norm
Information Sciences: an International Journal
Aggregation operators for fuzzy ontologies
Applied Soft Computing
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Fuzzy description logics (DLs) are a family of logics which allow the representation of (and the reasoning within) structured knowledge affected by vagueness. Although a relatively important amount of work has been carried out in the last years, current fuzzy DLs still present several limitations. In this work we face two problems: the common restriction to Zadeh and Lukasiewicz fuzzy logics and the inability to deal with datatypes different from fuzzy sets. In particular, we propose a semantics based on the use of a general left-continuous t-norm and an involutive negation (specially focused on Product logic) and, furthermore, we show how to handle functional concrete roles relating individuals of the domain and strings, real or integer numbers.